Real photo postcard (RPPC) of the Mansion House, Poland Spring, Maine — one of New England's most famous resort destinations, home of Poland Spring mineral water. The large white clapboard resort hotel is shown from across a sweeping manicured lawn, with mature trees framing the right side, an American flag flying from a tall flagpole, a prominent brick smokestack at left, and a late 1930s/early 1940s sedan parked at the entrance porte-cochère. The wide wraparound porch is visible on the right wing. Unposted, no publisher identification. Caption in white text at bottom: 'MANSION HOUSE, POLAND SPRING, MAINE.' Dealer price notation '3–' in pencil upper right.